package colltection;
import java.util.Comparator;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

public class SortPoint {
    public static void main(String[] args) {
        List<Point> list=new ArrayList<>();
        list.add(new Point(1,2));
        list.add(new Point(7,8));
        list.add(new Point(5,6));
        System.out.println(list);
        Collections.sort(list, new Comparator<Point>() {

            public int compare(Point o1, Point o2) {
               int l1=o1.getX()*o1.getX()+o1.getY()*o1.getY();
               int l2=o2.getX()*o2.getX()+o2.getY()*o2.getY();
               return l1-l2;
            }
        });
        System.out.println(list);
    }


}
